From: Michael Hudson-Doyle none to disable the use of a support library.
-TODO: Something about build modes.
+The implementation of build modes started in Go 1.5 has been expanded to more systems.
+This release adds support for the c-shared mode on android/386, android/amd64,
+android/arm64, linux/386, and linux/arm64;
+for the shared mode on linux/386, linux/arm, linux/amd64, and linux/ppc64le;
+and for the new pie mode (generating position-independent executables) on
+android/386, android/amd64, android/arm, android/arm64, linux/386,
+linux/amd64, linux/arm, linux/arm64, and linux/ppc64le.
+See the design document for details.